Food orange 7, the ethyl ester of beta-apo-8'-carotenic acid, is a carotenoid with an orange-red color. It is found in small quantities in some plants, but is often produced commercially from apocarotenal (E160e).[1] It is used as a food coloring under the E number E160f and is approved for use in the EU,[2] Australia, and New Zealand.[3]

Food orange 7
Skeletal formula of food orange 7
Space-filling model of the food orange 7 molecule
Names
IUPAC name
Ethyl 8′-apo-β-caroten-8′-oate
Systematic IUPAC name
Ethyl (2E,4E,6E,8E,10E,12E,14E,16E)-2,6,11,15-tetramethyl-17-(2,6,6-trimethylcyclohex-1-en-1-yl)heptadeca-2,4,6,8,10,12,14,16-octaenoate
Other names
  • Ethyl ester of beta-apo-8'-carotenic acid
  • Ethyl 8'-apo-beta,psi-carotenoate
  • E160f
Identifiers
3D model (JSmol)
ECHA InfoCard 100.012.885 Edit this at Wikidata
E number E160f (colours)
  • CCOC(=O)/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C1=C(CCCC1(C)C)C)/C)/C
Properties
C32H44O2
Molar mass 460.702 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References

edit
  1. ^ E160f, food-info.net
  2. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  3. ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.